Bass drum retaining mat



FIG. 1 is a perspective view a bass drum retaining mat showing my newdesign;

FIG. 2 is a top plan view thereof, with the bottom reflecting merely aflat surface;

FIG. 3 is a right side elevational view thereof, with the left sidebeing a mirror image; and,

FIG. 4 is a front elevational view thereof, with the rear view being amirror image.

The ornamental design for a bass drum retaining mat, as shown anddescribed.